package com.wjv.example.service;

import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;


import javax.annotation.Resource;
import java.util.UUID;

/**
 * <p>Title: MessageProviderImpl</p>
 * <p>Company:misspao </p>
 *
 * @author: wjv
 * @Date: Create in 13:22 2020/10/9
 * @Description:
 */
@EnableBinding(Source.class) // 定义消息的推送管道
public class MessageProviderImpl implements  MessageProvider{

    @Resource
    private MessageChannel output;

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("*****serial: "+serial);

        return null;
    }
}
